more haste, less speed

Doubtlessly the Government felt pressured on this front, and we were part of the push to implement the agency in question, but an attitude of ‘more haste, less speed’ may be counter-productive in this respect.

More haste, less speed! The feverish hand often gives itself additional toil.

My mum used to tell me 'More Haste, Less Speed', mostly when I had made a mess of something by rushing.